US PATENT SUBCLASS 112 / 424
.~.~.~.~ Including concealed or blind stitching

Current as of: June, 1999
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112 /   HD   SEWING

400  DF  PRODUCTS {2}
402  DF  .~ Sewn web or sheet {19}
422  DF  .~.~ Non-planar uniform-thickness material {3}
423  DF  .~.~.~ Bent flange or reverse fold at edge {2}
424.~.~.~.~ Including concealed or blind stitching {1}
425  DF  .~.~.~.~.~> Overedge or along offset fold

DEFINITION

Classification: 112/424

(under subclass 423) Product wherein stitches which join layers or components in the zone of the fold are covered by a fold or layer of material on at least one face of the web or sheet, with or without penetration by the stitches of the inner surface of said covering fold or layer.

SEE OR SEARCH THIS CLASS, SUBCLASS:

419, for a reversely folded and blind-stitched component in the form of a U-shaped binding.

441, for nonfolded components united by concealed stitching running along an edge of at least one of the components.

475.24, for a method of blind stitching.